质;The major metal minerals recycled include tantalum niobite, fine spar, tantalum aeschynite, wolframite and scheelite, which have large density of generally 5 to 7.
主要
收的金属
铌铁、细晶石、易解石、黑钨、白钨，密度比较大，一般为5~7。
,铁锰重石The major metal minerals recycled include tantalum niobite, fine spar, tantalum aeschynite, wolframite and scheelite, which have large density of generally 5 to 7.
主要收的金属铌铁、细晶石、易解石、黑钨、白钨，密度比较大，一般为5~7。
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